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When anticipating todays rapidly changing needs and technological advances, it is critical to have materials with the performance and reliability to meet ever increasing reliability standards. Rogers Advanced Connectivity Solutions manufactures high frequency laminates and prepregs which are engineered for your exact performance requirements.

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Materials Expertise

With more than 75 years of combined experience in the printed circuit board industry, Al Horn, Art Aguayo, and John Coonrod share their expertise with OEM's and fabricators through articles in industry publications. These articles help design engineers better understand how to choose a material to meet their requirements and assist fabricators with processing specialty circuit materials.

ROG Blog

Patrolling PIM in RF/Microwave Circuits

John Coonrod08/09/2018

Intermodulation distortion (IMD) is well known to audio circuit designers as a barrier to high fidelity. It is also becoming better known by higher-frequency circuit designers, even in passive circuits such as antennas, cables, and connectors, in the form of passive intermodulation (PIM). Quite simply, PIM causes interference. PIM results from nonlinearities in a passive circuit. Transmitted signals consist of fundamental tones and their harmonics. When two or more signals are physically near each other and transmitted at the same time, nonlinearities in the circuit can cause the different signal tones to mix and generate additional, spurious signals which can block or interfere with the reception of the desired signals at the receiver.

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